WO2008017045A3 - Succinct representation of static packet classifiers - Google Patents

Succinct representation of static packet classifiers Download PDF

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Publication number
WO2008017045A3
WO2008017045A3 PCT/US2007/075107 US2007075107W WO2008017045A3 WO 2008017045 A3 WO2008017045 A3 WO 2008017045A3 US 2007075107 W US2007075107 W US 2007075107W WO 2008017045 A3 WO2008017045 A3 WO 2008017045A3
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WO
Grant status
Application
Patent type
Prior art keywords
data
computer
packet classifier
method
classifier rule
Prior art date
Application number
PCT/US2007/075107
Other languages
French (fr)
Other versions
WO2008017045A2 (en )
WO2008017045A9 (en )
Inventor
Wencheng Lu
Sartaj Sahni
Original Assignee
Wencheng Lu
Sartaj Sahni
Univ Florida
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00Routing or path finding of packets in data switching networks
    • H04L45/48Routing tree calculation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00Routing or path finding of packets in data switching networks
    • H04L45/14Routing performance; Theoretical aspects
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00Routing or path finding of packets in data switching networks
    • H04L45/54Organization of routing tables
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00Routing or path finding of packets in data switching networks
    • H04L45/74Address processing for routing
    • H04L45/742Route cache and its operation

Abstract

A computer-implemented method of classifying packets of data transmitted over a data communications network includes providing a memory-storable packet classifier rule defined by a plurality of filters, each filter uniquely corresponding to a one of a plurality of actions to be taken in transmitting the data packets over the data communications network; and classifying a data packet according to the packet classifier rule by generating at least one supernode trie subject to a predetermined constraint for reducing accesses to a memory in which the packet classifier rule is stored. A system including a combination of hardware and software modules is provided for carrying out the method. A computer-readable storage medium is also provided for storing a computer program for carrying out the method.
PCT/US2007/075107 2006-08-02 2007-08-02 Succinct representation of static packet classifiers WO2008017045A3 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US82122006 true 2006-08-02 2006-08-02
US60/821,220 2006-08-02

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12375623 US7948980B2 (en) 2006-08-02 2007-08-02 Succinct representation of static packet classifiers
EP20070840670 EP2074767A2 (en) 2006-08-02 2007-08-02 Succinct representation of static packet classifiers

Publications (3)

Publication Number Publication Date
WO2008017045A2 true WO2008017045A2 (en) 2008-02-07
WO2008017045A9 true WO2008017045A9 (en) 2009-03-12
WO2008017045A3 true true WO2008017045A3 (en) 2009-04-30

Family

ID=38961257

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/075107 WO2008017045A3 (en) 2006-08-02 2007-08-02 Succinct representation of static packet classifiers

Country Status (4)

Country Link
US (1) US7948980B2 (en)
EP (1) EP2074767A2 (en)
CN (1) CN101554021A (en)
WO (1) WO2008017045A3 (en)

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US9361578B2 (en) * 2011-07-13 2016-06-07 Palo Alto Research Center Incorporated Memory efficient state-set representation for planning
US9208438B2 (en) 2011-08-02 2015-12-08 Cavium, Inc. Duplication in decision trees
US9183244B2 (en) 2011-08-02 2015-11-10 Cavium, Inc. Rule modification in decision trees
US20130036083A1 (en) 2011-08-02 2013-02-07 Cavium, Inc. System and Method for Storing Lookup Request Rules in Multiple Memories
WO2013119173A3 (en) * 2012-02-07 2013-11-14 Oricane Ab Classification engine for data packet classification
WO2014117353A1 (en) * 2013-01-31 2014-08-07 Hewlett-Packard Development Company, L.P. Incremental update of a shape graph
US20140279850A1 (en) * 2013-03-14 2014-09-18 Cavium, Inc. Batch incremental update
US9195939B1 (en) 2013-03-15 2015-11-24 Cavium, Inc. Scope in decision trees
US9595003B1 (en) 2013-03-15 2017-03-14 Cavium, Inc. Compiler with mask nodes
US9430511B2 (en) 2013-03-15 2016-08-30 Cavium, Inc. Merging independent writes, separating dependent and independent writes, and error roll back
US9275336B2 (en) 2013-12-31 2016-03-01 Cavium, Inc. Method and system for skipping over group(s) of rules based on skip group rule
US9544402B2 (en) 2013-12-31 2017-01-10 Cavium, Inc. Multi-rule approach to encoding a group of rules
US9667446B2 (en) 2014-01-08 2017-05-30 Cavium, Inc. Condition code approach for comparing rule and packet data that are provided in portions

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US20050083935A1 (en) * 2003-10-20 2005-04-21 Kounavis Michael E. Method and apparatus for two-stage packet classification using most specific filter matching and transport level sharing
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Also Published As

Publication number Publication date Type
WO2008017045A2 (en) 2008-02-07 application
EP2074767A2 (en) 2009-07-01 application
CN101554021A (en) 2009-10-07 application
US7948980B2 (en) 2011-05-24 grant
US20100034202A1 (en) 2010-02-11 application
WO2008017045A9 (en) 2009-03-12 application

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